At TEDxChange, Thailand’s “Mr. Condom,” Mechai Viravaidya, walks us through the country’s bold plan to raise its standard of living, starting in the 1970s. First step: population control. And that means a lot of frank, funny — and very effective — talk about condoms.

Since 1974, Mechai Viravaidya has been creating and running innovative family planning and poverty reduction programs throughout Southeast Asia. For more, click here.